Mars Petcare U.S. has announced a voluntary recall of some of its pet-food products.

The recall cites potential salmonella contamination. It involves all dry pet-food produced at its plant in Everson,
Pennsylvania, between February 18th and July 29th. The company's news release doesn't say how much pet food is involved, but says the recall covers 31 states and includes some of the products marketed by various brands.